– Lat/Long: 48.71° N 121.99° W
South Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 10 pm Sat 31 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Sat 31 Oct Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Very mild (max 12°C on Mon afternoon, min 5°C on Sat night). Wind will be generally light. | Days 5–7 Weather SummaryModerate rain (total 15mm), heaviest on Wed night. Very mild (max 11°C on Wed afternoon, min 6°C on Thu night). Wind will be generally light. | |||||||||||||||
Sunday 1 | Monday 2 | Tuesday 3 | Wednesday 4 | Thursday 5 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  |  |  |  |  | | | |  | | | | |
some clouds | clear | clear | clear | some clouds | cloudy | light rain | light rain | rain shwrs | clear | some clouds | light rain | rain shwrs | some clouds | light rain | light rain | |
Cloud base (m) | 5600 | 8900 | 5600 | 5100 | 2350 | 1850 | 1850 | 6550 | 1750 | 750 | 900 | 1950 | 600 | |||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | 0.1 | 0.2 | 0.1 | — | — | 1.1 | 7 | — | 0.2 | 4 |
max °C | 7 | 8 | 10 | 6 | 10 | 12 | 9 | 10 | 12 | 9 | 10 | 11 | 7 | 8 | 9 | 7 |
min °C | 5 | 5 | 8 | 5 | 6 | 10 | 9 | 9 | 10 | 7 | 7 | 8 | 7 | 7 | 8 | 6 |
chill °C | 5 | 5 | 8 | 5 | 5 | 10 | 8 | 9 | 10 | 7 | 6 | 6 | 7 | 6 | 6 | 4 |
Freezing level m | 1900 | 1800 | 1950 | 2800 | 3150 | 2900 | 2400 | 2250 | 2200 | 2200 | 2100 | 1700 | 1750 | 1800 | 1650 | 1550 |
 | — | 6:54 | — | — | 7:54 | — | — | 7:56 | — | — | 7:58 | — | — | 8:00 | — | — |
 | — | — | 4:47 | — | — | 5:45 | — | — | 5:45 | — | — | 5:43 | — | — | 5:42 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Mostly dry. Very mild (max 12°C on Mon afternoon, min 5°C on Sat night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Moderate rain (total 15mm), heaviest on Wed night. Very mild (max 11°C on Wed afternoon, min 6°C on Thu night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table.For a wider overview of the weather, consult the Weather Map of Washington.